546446290 has 24 divisors (see below), whose sum is σ = 1065088548. Its totient is φ = 201764160.

The previous prime is 546446281. The next prime is 546446291. The reversal of 546446290 is 92644645.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1083681 + 545362609 = 1041^2 + 23353^2 .

It is not an unprimeable number, because it can be changed into a prime (546446291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159981 + ... + 163360.

Almost surely, 2^546446290 is an apocalyptic number.

546446290 is a deficient number, since it is larger than the sum of its proper divisors (518642258).

546446290 is a wasteful number, since it uses less digits than its factorization.

546446290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323374 (or 323361 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 546446290 is about 23376.1906648624. The cubic root of 546446290 is about 817.5528319561.

The spelling of 546446290 in words is "five hundred forty-six million, four hundred forty-six thousand, two hundred ninety".